Principles of Preserving Wealth The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content A Look at Diversification Diversification is an investment principle designed to manage risk, but it can't prevent against a loss. Earnings for All Seasons Earnings season can move markets. What is it and why is it important? From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history.